Step 12: We will code an onClickListener for the “close” button so we can close the connection to Bluetooth printer and save battery. Put the following code after the onClickListener of the “Send” button, inside onCreate() method.

Need to buy the same printer model we used above? I will give you the contact information of our supplier. Send an email to mike@codeofaninja.com with a subject “Bluetooth printer by codeofaninja.com”. I will reply with the contact information of our supplier.

3.0 LEVEL 2 Source Code Output

The LEVEL 2 source code can print small images. As you will see in the video, you can browse the image and then the Bluetooth printer will print it.

Need to buy the same printer model we used above? I will give you the contact information of our supplier. Send an email to mike@codeofaninja.com with a subject “Bluetooth printer by codeofaninja.com”. I will reply with the contact information of our supplier.

4.0 Download Source Code

4.1 Downloading The Source Code

You can get the source code by following the source code above. But isn’t it more convenient if you can just download the complete source code we used, import it and play around it?

There’s a small fee in getting the complete source code, it is small compared to the value, skill upgrade, and career upgrade it can bring you, or income you can get from your android app project or business.

Download the source code by clicking the “Buy Now” button below. What will you get? The source codes and free code updates!